PAIJX vs. VEMIX
PAIJX (T. Rowe Price Emerging Markets Discovery Stock Fund) and VEMIX (Vanguard Emerging Markets Stock Index Fund Institutional Shares) are both Emerging Markets Equities funds. Over the past 10 years, PAIJX returned 9.71%/yr vs 7.61%/yr for VEMIX. Their correlation of 0.93 means they have usually moved in the same direction. PAIJX charges 1.60%/yr vs 0.06%/yr for VEMIX.
Performance
PAIJX vs. VEMIX - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, PAIJX achieves a 18.11% return, which is significantly higher than VEMIX's 7.82% return. Over the past 10 years, PAIJX has outperformed VEMIX with an annualized return of 9.71%, while VEMIX has yielded a comparatively lower 7.61% annualized return.
PAIJX
- 1D
- 4.01%
- 1M
- -1.36%
- 6M
- 7.20%
- YTD
- 18.11%
- 1Y
- 42.06%
- 3Y*
- 19.21%
- 5Y*
- 9.52%
- 10Y*
- 9.71%
- ALL TIME*
- 9.38%
VEMIX
- 1D
- 1.70%
- 1M
- -1.72%
- 6M
- 2.68%
- YTD
- 7.82%
- 1Y
- 19.98%
- 3Y*
- 13.72%
- 5Y*
- 5.81%
- 10Y*
- 7.61%
- ALL TIME*
- 7.24%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $0.00 | $0.00 | $0.00 |
PAIJX vs. VEMIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
PAIJX T. Rowe Price Emerging Markets Discovery Stock Fund | 18.11% | 37.89% | 5.37% | 10.72% | -16.04% | 4.03% | 6.46% | 15.99% | -10.23% | 32.42% |
VEMIX Vanguard Emerging Markets Stock Index Fund Institutional Shares | 7.82% | 24.80% | 11.38% | 8.85% | -17.75% | 0.91% | 15.26% | 20.35% | -14.55% | 31.42% |
Correlation
The correlation between PAIJX and VEMIX is 0.91, meaning they have usually moved in the same direction, including during past declines.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.91 |
Correlation (3Y) Balances recent behavior with more history. | 0.91 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.93 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.92 |
Correlation (All Time) Calculated using the full available price history since Sep 17, 2015 | 0.93 |
The correlation between PAIJX and VEMIX has been stable across timeframes, ranging from 0.91 to 0.93 - a consistent structural relationship.
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
PAIJX vs. VEMIX — Risk / Return Rank
PAIJX
VEMIX
PAIJX vs. VEMIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for T. Rowe Price Emerging Markets Discovery Stock Fund (PAIJX) and Vanguard Emerging Markets Stock Index Fund Institutional Shares (VEMIX). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| PAIJX | VEMIX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.61 | ||
| Sortino ratioReturn per unit of downside risk | +0.66 | ||
| Omega ratioGain probability vs. loss probability | 1.33 | 1.21 | +0.12 |
| Calmar ratioReturn relative to maximum drawdown | 2.97 | 1.66 | +1.31 |
| Martin ratioReturn relative to average drawdown | 8.90 | 5.53 | +3.37 |
Loading charts...
Drawdowns
PAIJX vs. VEMIX - Drawdown Comparison
The maximum PAIJX drawdown since its inception was -42.19%, smaller than the maximum VEMIX drawdown of -66.43%. Use the drawdown chart below to compare losses from any high point for PAIJX and VEMIX.
Loading charts...
Drawdown Indicators
| PAIJX | VEMIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -42.19% | -66.43% | +24.24% |
Max Drawdown (1Y)Largest decline over 1 year | -13.29% | -11.05% | -2.24% |
Max Drawdown (3Y)Largest decline over 3 years | -16.35% | -15.77% | -0.58% |
Max Drawdown (5Y)Largest decline over 5 years | -30.91% | -30.68% | -0.23% |
Max Drawdown (10Y)Largest decline over 10 years | -42.19% | -36.04% | -6.15% |
Current DrawdownCurrent decline from peak | -9.76% | -5.42% | -4.34% |
Average DrawdownAverage peak-to-trough decline | -10.29% | -15.91% | +5.62% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.43% | 3.31% | +1.12% |
Volatility
PAIJX vs. VEMIX - Volatility Comparison
T. Rowe Price Emerging Markets Discovery Stock Fund (PAIJX) has a higher volatility of 9.40% compared to Vanguard Emerging Markets Stock Index Fund Institutional Shares (VEMIX) at 5.22%. This indicates that PAIJX's price experiences larger fluctuations and is considered to be riskier than VEMIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| PAIJX | VEMIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 9.40% | 5.22% | +4.18% |
Volatility (6M)Calculated over the trailing 6-month period | 20.53% | 13.82% | +6.71% |
Volatility (1Y)Calculated over the trailing 1-year period | 22.44% | 16.00% | +6.44% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.76% | 15.59% | +2.17% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.08% | 16.50% | +1.58% |
PAIJX vs. VEMIX - Expense Ratio Comparison
PAIJX has a 1.60% expense ratio, which is higher than VEMIX's 0.06% expense ratio.
Dividends
PAIJX vs. VEMIX - Dividend Comparison
PAIJX's dividend yield for the trailing twelve months is around 3.56%, more than VEMIX's 2.38% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
PAIJX T. Rowe Price Emerging Markets Discovery Stock Fund | 3.56% | 4.20% | 2.72% | 2.71% | 1.85% | 2.24% | 0.00% | 2.49% | 1.24% | 3.68% | 3.00% | 1.53% |
VEMIX Vanguard Emerging Markets Stock Index Fund Institutional Shares | 2.38% | 2.77% | 3.17% | 3.51% | 4.09% | 2.61% | 1.90% | 3.23% | 2.89% | 2.33% | 2.55% | 2.51% |
Frequently Asked Questions
With a correlation of 0.91, PAIJX and VEMIX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.
PAIJX has higher volatility (9.40%) compared to VEMIX (5.22%). In terms of maximum drawdown, PAIJX dropped -42.19% vs VEMIX's -66.43%.
PAIJX currently has the higher Sharpe Ratio (1.76 vs 1.15), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
Find the right allocation for PAIJX and VEMIX
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer